.error-wrapper{
    position: relative;
    height: 100%;
    .inner{
        position: absolute;
        top:50%;
        left: 50%;
        width: 300px;
        height: 230px;
        margin: -155px 0 0 -150px;
        text-align: center;
        h1{
            font-size: 100px;
            color:#999;
        }
    }
}